Jablite is the UK's largest producer of EPS products for insulation and civil engineering applications



Jabfloor is a floor insulation board that achieves the required U-value and compressive performance on a range of different floor applications:

• Below ground supported slab
• Above slab below chipboard
• Above slab below screed
• Precast suspended concrete
• Cold Store

Key Benefits
  • 0.038 Thermal Conductivity
  • Provides cost effective insulation for the lifetime of the building
  • Excellent compression properties
  • 100% recyclable
  • Achieves an A+ rating in the BRE Green Guide to Specification
  • Available with Class E fire retardant additive
  • Flood proof
  • Lightweight and easy to handle
  • Is non-toxic and biologically inert
  • Also available as a High Performance (HP) product

See our knowledge article, Insulation for Ground Floors, for detailed guidance.

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Downloads & Specifications

BBA Certificates and other supporting documents can be found in Technical Resources

Technical Resources
Technical information
Product specification

Compression Performance

Jabfloor Grade  70 100 150 200 250
Nominal Density (Kg/m3)
Compressive Strength 1%  (kN/m2)
Compressive Strength 10% (kN/m2)
Shear Strength (kN/m2)
Shear Modulus (kN/m2)

The Jablite Jabfloor insulation range is available in Grade 70, 100, 150, 200 and 250 grades as defined by BS EN13163.

As a quick reference, the following guidance about use and design loads applies:

Jabfloor 70 is used for standard domestic loads

Jabfloor 100 is used in offices and schools.

Jabfloor 150 – 250 is used in heavy commercial, industrial settings

Jablite Jabfloor Insulation is supplied in
a standard board size of 1200 x 2400

BBA Certificate: Jabfloor 70 is here

BBA Certificate: Jabfloor 100 and 150 is here

BBA Certificate: Jabfloor 70 HP and HP is here

BBA Certificate: Jablite 100 HP and HP+  is here 


+Which thicknesses are available to order in Jabfloor?
There are standard thicknesses which are 25, 30, 40, 50, 60, 75, 100, 120, 150 and 200mm. However, other thicknesses are available to order.
+Can Jabfloor be used in all floor applications?
Yes, Jabfloor and Jabfloor HP are the most versatile insulants for use in all floor specifications and are available in: • A wide range of compressive strengths from 70kPa grade to 500kPa. • A wide range of thicknesses
+What is the maximum weight of wet concrete that Jabfloor can withstand?
Jabfloor 70 has a nominal 1% compression value of 21kPa equating to 2.1 tonnes per m², which means that Jabfloor 70 will accept up to 600mm of wet concrete. Higher grades of Jabfloor will accept heavier weights and greater depths of concrete.
+What is the maximum point load Jabfloor can accommodate?
Jabfloor 70 has a nominal 1% compression value of 21kPa (2.1 tonnes per m²), which is suitable under a 75mm screed in normal domestic situations. The advice of a structural engineer should be sought for any exceptional point loads in the design of the floor.
+Is an expansion gap around the edge of the floor finish required when used above Jabfloor?
No. Jabfloor should be tightly butted against the perimeter walls and insulation strip should be used on all exposed edges. An expansion gap may be necessary around the edge of the floor finish in screed or particleboard overlay.